| ................................... Nitrate, phosphate, and borate waters...................................................................... 492 Phosphate rock............................................considerable number of mineral species, but the phosphate, monazite, and the silicates, cerite and aUanite...fluoride of aluminum and sodium. Apatite is a phosphate containing fluorine, and the element is also found...sulphosalts are known, several silicates, and also a phosphate, an arsenate, and a vanadate. Galena is frequently |
